Author/Authors :
Garajei ، Ata Department of Oral and Maxillofacial Surgery, Department of Oral and Maxillofacial Surgery - School of Dentistry, The Cancer Institute, School of Medicine - Tehran University of Medical Sciences , Kheradmand ، Ali A. Department of Head and Neck Surgical Oncology and Reconstructive Surgery - The Cancer Institute, School of Medicine - Tehran University of Medical Sciences , Emami ، Azadeh Department of Anesthesiology - Iran University of Medical Sciences , Homayouni ، Ali School of Dentistry - Tehran University of Medical Sciences